#include <stdlib.h>
#include <stdio.h>

main(int argc,char **argv) {

   int somme;
   if (argc != 3) {
      printf("erreur"); 
      exit(EXIT_FAILURE);
   } 
   somme = atoi(argv[1]) + atoi(argv[2]);
   
   printf("%s+%s=%d\n", argv[1], argv[2], somme);
   
   exit(EXIT_SUCCESS);
}
